The motorized Ferris wheel automatically picks up the balls and transports them to the next level. Countless building options and pathways with curves, spirals, funnels, etc. When a MarBall falls through a specific building block, a hidden Spidey image is revealed. Adjustable launcher cannon that catapults the MarBalls upwards and in different directions. Numerous interactive marble run elements. Building and playing with the marble run promotes motor skills, creativity, spatial thinking, and an understanding of the principle of cause and effect. Includes various building instructions. Compatible with all Marble Rush sets to create huge marble run worlds. Child-safe battery compartment and automatic shut-off.